現代数学の系譜工学物理雑談古典ガロア理論も読む79

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612: 現代数学の系譜 雑談 古典ガロア理論も読む ◆e.a0E5TtKE  [] 2019/12/23(月) 14:27:39.89 ID:mA7/omNS

>>607
＞>欧米で言わない言葉を作って

おサルは、いま良いことを言った
”Absolute arithmetic and F1-geometry”がヒットしたぞ（下記）
https://en.wikipedia.org/wiki/Field_with_one_element
Field with one element
In mathematics, the field with one element is a suggestive name for an object that should behave similarly to a finite field with a single element, if such a field could exist. This object is denoted F1, or, in a French?English pun, Fun.[1]
The name "field with one element" and the notation F1 are only suggestive, as there is no field with one element in classical abstract algebra. Instead, F1 refers to the idea that there should be a way to replace sets and operations, the traditional building blocks for abstract algebra, with other, more flexible objects.
While there is still no field with a single element in these theories, there is a field-like object whose characteristic is one.

History
In 1993, Yuri Manin gave a series of lectures on zeta functions where he proposed developing a theory of algebraic geometry over F1.[5]

Along with Matilde Marcolli, Connes-Consani have also connected F1 with noncommutative geometry.[14] It has also been suggested to have connections to the unique games conjecture in computational complexity theory.[15]

F1-geometry has been linked to tropical geometry, via the fact that semirings (in particular, tropical semirings) arise as quotients of some monoid semiring N[A] of finite formal sums of elements of a monoid A, which is itself an F1-algebra. This connection is made explicit by Lorscheid's use of blueprints.[19]

[19]   Lorscheid (2015)
Lorscheid, Oliver (2009), "Algebraic groups over the field with one element", arXiv:0907.3824 [math.AG]
Lorscheid, Oliver (2016), "A blueprinted view on F1-geometry", in Koen, Thas (ed.), Absolute arithmetic and F1-geometry, European Mathematical Society Publishing House, arXiv:1301.0083
つづく

http://rio2016.5ch.net/test/read.cgi/math/1573769803/612

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